diff options
Diffstat (limited to 'target/linux/uml/patches-4.1')
4 files changed, 0 insertions, 473 deletions
diff --git a/target/linux/uml/patches-4.1/001-um-Stop-abusing-__KERNEL__.patch b/target/linux/uml/patches-4.1/001-um-Stop-abusing-__KERNEL__.patch deleted file mode 100644 index a46a5be406..0000000000 --- a/target/linux/uml/patches-4.1/001-um-Stop-abusing-__KERNEL__.patch +++ /dev/null @@ -1,94 +0,0 @@ -From: Richard Weinberger <richard@nod.at> -Date: Sun, 31 May 2015 19:50:57 +0200 -Subject: [PATCH] um: Stop abusing __KERNEL__ - -Currently UML is abusing __KERNEL__ to distinguish between -kernel and host code (os-Linux). It is better to use a custom -define such that existing users of __KERNEL__ don't get confused. - -Signed-off-by: Richard Weinberger <richard@nod.at> ---- - ---- a/arch/um/drivers/mconsole.h -+++ b/arch/um/drivers/mconsole.h -@@ -7,7 +7,7 @@ - #ifndef __MCONSOLE_H__ - #define __MCONSOLE_H__ - --#ifndef __KERNEL__ -+#ifdef __UM_HOST__ - #include <stdint.h> - #define u32 uint32_t - #endif ---- a/arch/um/include/shared/init.h -+++ b/arch/um/include/shared/init.h -@@ -40,7 +40,7 @@ - typedef int (*initcall_t)(void); - typedef void (*exitcall_t)(void); - --#ifndef __KERNEL__ -+#ifdef __UM_HOST__ - #ifndef __section - # define __section(S) __attribute__ ((__section__(#S))) - #endif -@@ -131,7 +131,7 @@ extern struct uml_param __uml_setup_star - #define __uml_postsetup_call __used __section(.uml.postsetup.init) - #define __uml_exit_call __used __section(.uml.exitcall.exit) - --#ifndef __KERNEL__ -+#ifdef __UM_HOST__ - - #define __define_initcall(level,fn) \ - static initcall_t __initcall_##fn __used \ ---- a/arch/um/include/shared/user.h -+++ b/arch/um/include/shared/user.h -@@ -17,7 +17,7 @@ - #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) - - /* This is to get size_t */ --#ifdef __KERNEL__ -+#ifndef __UM_HOST__ - #include <linux/types.h> - #else - #include <stddef.h> ---- a/arch/um/Makefile -+++ b/arch/um/Makefile -@@ -68,9 +68,10 @@ KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) - - - KBUILD_AFLAGS += $(ARCH_INCLUDE) - --USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\ -- $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \ -- $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include -+USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \ -+ $(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \ -+ -D_FILE_OFFSET_BITS=64 -idirafter include \ -+ -D__KERNEL__ -D__UM_HOST__ - - #This will adjust *FLAGS accordingly to the platform. - include $(ARCH_DIR)/Makefile-os-$(OS) ---- a/arch/x86/um/shared/sysdep/tls.h -+++ b/arch/x86/um/shared/sysdep/tls.h -@@ -1,7 +1,7 @@ - #ifndef _SYSDEP_TLS_H - #define _SYSDEP_TLS_H - --# ifndef __KERNEL__ -+#ifdef __UM_HOST__ - - /* Change name to avoid conflicts with the original one from <asm/ldt.h>, which - * may be named user_desc (but in 2.4 and in header matching its API was named -@@ -22,11 +22,11 @@ typedef struct um_dup_user_desc { - #endif - } user_desc_t; - --# else /* __KERNEL__ */ -+#else /* __UM_HOST__ */ - - typedef struct user_desc user_desc_t; - --# endif /* __KERNEL__ */ -+#endif /* __UM_HOST__ */ - - extern int os_set_thread_area(user_desc_t *info, int pid); - extern int os_get_thread_area(user_desc_t *info, int pid); diff --git a/target/linux/uml/patches-4.1/002-um-Remove-copy-paste-code-from-init.h.patch b/target/linux/uml/patches-4.1/002-um-Remove-copy-paste-code-from-init.h.patch deleted file mode 100644 index 6733384b91..0000000000 --- a/target/linux/uml/patches-4.1/002-um-Remove-copy-paste-code-from-init.h.patch +++ /dev/null @@ -1,44 +0,0 @@ -From: Richard Weinberger <richard@nod.at> -Date: Sun, 31 May 2015 22:15:58 +0200 -Subject: [PATCH] um: Remove copy&paste code from init.h - -As we got rid of the __KERNEL__ abuse, we can directly -include linux/compiler.h now. -This also allows gcc 5 to build UML. - -Reported-by: Hans-Werner Hilse <hwhilse@gmail.com> -Signed-off-by: Richard Weinberger <richard@nod.at> ---- - ---- a/arch/um/include/shared/init.h -+++ b/arch/um/include/shared/init.h -@@ -40,28 +40,8 @@ - typedef int (*initcall_t)(void); - typedef void (*exitcall_t)(void); - --#ifdef __UM_HOST__ --#ifndef __section --# define __section(S) __attribute__ ((__section__(#S))) --#endif -- --#if __GNUC__ == 3 -- --#if __GNUC_MINOR__ >= 3 --# define __used __attribute__((__used__)) --#else --# define __used __attribute__((__unused__)) --#endif -- --#else --#if __GNUC__ == 4 --# define __used __attribute__((__used__)) --#endif --#endif -- --#else - #include <linux/compiler.h> --#endif -+ - /* These are for everybody (although not all archs will actually - discard it in modules) */ - #define __init __section(.init.text) diff --git a/target/linux/uml/patches-4.1/101-mconsole-exec.patch b/target/linux/uml/patches-4.1/101-mconsole-exec.patch deleted file mode 100644 index ac300a9293..0000000000 --- a/target/linux/uml/patches-4.1/101-mconsole-exec.patch +++ /dev/null @@ -1,211 +0,0 @@ -# -# Minimalist mconsole exec patch -# -# 3.10 version (with bit more synchronous behavior) by fingon at iki dot fi -# Adaptation to kernel 3.3.8 made by David Fernández (david at dit.upm.es) for -# Starting point: mconsole-exec-2.6.30.patch for kernel 2.6.30 -# Author of original patch: Paolo Giarrusso, aka Blaisorblade -# (http://www.user-mode-linux.org/~blaisorblade) -# -# Known misfeatures: -# -# - If output is too long, blocks (and breaks horribly) -# (this misfeature from 3.10 patches, when minimalizing the patch; -# workaround: redirect to a shared filesystem if long output is expected) -# -# - Nothing useful is done with stdin -# ---- a/arch/um/drivers/mconsole.h -+++ b/arch/um/drivers/mconsole.h -@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque - extern void mconsole_stop(struct mc_request *req); - extern void mconsole_go(struct mc_request *req); - extern void mconsole_log(struct mc_request *req); -+extern void mconsole_exec(struct mc_request *req); - extern void mconsole_proc(struct mc_request *req); - extern void mconsole_stack(struct mc_request *req); - ---- a/arch/um/drivers/mconsole_kern.c -+++ b/arch/um/drivers/mconsole_kern.c -@@ -4,6 +4,7 @@ - * Licensed under the GPL - */ - -+#include "linux/kmod.h" - #include <linux/console.h> - #include <linux/ctype.h> - #include <linux/string.h> -@@ -24,6 +25,7 @@ - #include <linux/fs.h> - #include <linux/mount.h> - #include <linux/file.h> -+#include <linux/completion.h> - #include <asm/uaccess.h> - #include <asm/switch_to.h> - -@@ -121,6 +123,59 @@ void mconsole_log(struct mc_request *req - mconsole_reply(req, "", 0, 0); - } - -+void mconsole_exec(struct mc_request *req) -+{ -+ struct subprocess_info *sub_info; -+ int res, len; -+ struct file *out; -+ char buf[MCONSOLE_MAX_DATA]; -+ -+ char *envp[] = { -+ "HOME=/", "TERM=linux", -+ "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin", -+ NULL -+ }; -+ char *argv[] = { -+ "/bin/sh", "-c", -+ req->request.data + strlen("exec "), -+ NULL -+ }; -+ -+ sub_info = call_usermodehelper_setup("/bin/sh", argv, envp, GFP_ATOMIC, NULL, NULL, NULL); -+ if (sub_info == NULL) { -+ mconsole_reply(req, "call_usermodehelper_setup failed", 1, 0); -+ return; -+ } -+ res = call_usermodehelper_stdoutpipe(sub_info, &out); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_stdoutpipe failed", 1, 0); -+ return; -+ } -+ -+ res = call_usermodehelper_exec(sub_info, UMH_WAIT_PROC); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_exec failed", 1, 0); -+ return; -+ } -+ -+ for (;;) { -+ len = out->f_op->read(out, buf, sizeof(buf), &out->f_pos); -+ if (len < 0) { -+ mconsole_reply(req, "reading output failed", 1, 0); -+ break; -+ } -+ if (len == 0) -+ break; -+ mconsole_reply_len(req, buf, len, 0, 1); -+ } -+ fput(out); -+ -+ mconsole_reply_len(req, NULL, 0, 0, 0); -+} -+ -+ - void mconsole_proc(struct mc_request *req) - { - struct vfsmount *mnt = task_active_pid_ns(current)->proc_mnt; -@@ -187,6 +242,7 @@ void mconsole_proc(struct mc_request *re - stop - pause the UML; it will do nothing until it receives a 'go' \n\ - go - continue the UML after a 'stop' \n\ - log <string> - make UML enter <string> into the kernel log\n\ -+ exec <string> - pass <string> to /bin/sh -c synchronously\n\ - proc <file> - returns the contents of the UML's /proc/<file>\n\ - stack <pid> - returns the stack of the specified pid\n\ - " ---- a/arch/um/drivers/mconsole_user.c -+++ b/arch/um/drivers/mconsole_user.c -@@ -30,6 +30,7 @@ static struct mconsole_command commands[ - { "stop", mconsole_stop, MCONSOLE_PROC }, - { "go", mconsole_go, MCONSOLE_INTR }, - { "log", mconsole_log, MCONSOLE_INTR }, -+ { "exec", mconsole_exec, MCONSOLE_PROC }, - { "proc", mconsole_proc, MCONSOLE_PROC }, - { "stack", mconsole_stack, MCONSOLE_INTR }, - }; ---- a/arch/um/os-Linux/file.c -+++ b/arch/um/os-Linux/file.c -@@ -534,6 +534,8 @@ int os_create_unix_socket(const char *fi - - addr.sun_family = AF_UNIX; - -+ if (len > sizeof(addr.sun_path)) -+ len = sizeof(addr.sun_path); - snprintf(addr.sun_path, len, "%s", file); - - err = bind(sock, (struct sockaddr *) &addr, sizeof(addr)); ---- a/include/linux/kmod.h -+++ b/include/linux/kmod.h -@@ -62,6 +62,7 @@ struct subprocess_info { - int wait; - int retval; - int (*init)(struct subprocess_info *info, struct cred *new); -+ struct file *stdout; - void (*cleanup)(struct subprocess_info *info); - void *data; - }; -@@ -104,4 +105,6 @@ extern int usermodehelper_read_trylock(v - extern long usermodehelper_read_lock_wait(long timeout); - extern void usermodehelper_read_unlock(void); - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, struct file **filp); -+ - #endif /* __LINUX_KMOD_H__ */ ---- a/kernel/kmod.c -+++ b/kernel/kmod.c -@@ -39,6 +39,7 @@ - #include <linux/rwsem.h> - #include <linux/ptrace.h> - #include <linux/async.h> -+#include <linux/pipe_fs_i.h> - #include <asm/uaccess.h> - - #include <trace/events/module.h> -@@ -223,6 +224,28 @@ static int ____call_usermodehelper(void - flush_signal_handlers(current, 1); - spin_unlock_irq(¤t->sighand->siglock); - -+ /* Install output when needed */ -+ if (sub_info->stdout) { -+ struct files_struct *f = current->files; -+ struct fdtable *fdt; -+ -+ sys_close(1); -+ sys_close(2); -+ get_file(sub_info->stdout); -+ fd_install(1, sub_info->stdout); -+ fd_install(2, sub_info->stdout); -+ spin_lock(&f->file_lock); -+ fdt = files_fdtable(f); -+ __set_bit(1, fdt->open_fds); -+ __clear_bit(1, fdt->close_on_exec); -+ __set_bit(2, fdt->open_fds); -+ __clear_bit(2, fdt->close_on_exec); -+ spin_unlock(&f->file_lock); -+ -+ /* disallow core files */ -+ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0}; -+ } -+ - /* We can run anywhere, unlike our parent keventd(). */ - set_cpus_allowed_ptr(current, cpu_all_mask); - -@@ -522,6 +545,20 @@ struct subprocess_info *call_usermodehel - } - EXPORT_SYMBOL(call_usermodehelper_setup); - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, -+ struct file **filp) -+{ -+ struct file *f[2]; -+ -+ if (create_pipe_files(f, 0)<0) -+ return PTR_ERR(f); -+ sub_info->stdout = f[1]; -+ *filp = f[0]; -+ return 0; -+} -+EXPORT_SYMBOL(call_usermodehelper_stdoutpipe); -+ -+ - /** - * call_usermodehelper_exec - start a usermode application - * @sub_info: information about the subprocessa diff --git a/target/linux/uml/patches-4.1/102-pseudo-random-mac.patch b/target/linux/uml/patches-4.1/102-pseudo-random-mac.patch deleted file mode 100644 index fc54f603c0..0000000000 --- a/target/linux/uml/patches-4.1/102-pseudo-random-mac.patch +++ /dev/null @@ -1,124 +0,0 @@ -=============================================================================== - -This patch makes MAC addresses of network interfaces predictable. In -particular, it adds a small routine that computes MAC addresses of based on -a SHA1 hash of the virtual machine name and interface ID. - -TECHNICAL INFORMATION: - -Applies to vanilla kernel 3.9.4. - -=============================================================================== ---- a/arch/um/Kconfig.net -+++ b/arch/um/Kconfig.net -@@ -21,6 +21,19 @@ config UML_NET - enable at least one of the following transport options to actually - make use of UML networking. - -+config UML_NET_RANDOM_MAC -+ bool "Use random MAC addresses for network interfaces" -+ default n -+ depends on UML_NET -+ help -+ Virtual network devices inside a User-Mode Linux instance must be -+ assigned a MAC (Ethernet) address. If none is specified on the UML -+ command line, one must be automatically computed. If this option is -+ enabled, a randomly generated address is used. Otherwise, if this -+ option is disabled, the address is generated from a SHA1 hash of -+ the umid of the UML instance and the interface name. The latter choice -+ is useful to make MAC addresses predictable. -+ - config UML_NET_ETHERTAP - bool "Ethertap transport" - depends on UML_NET ---- a/arch/um/drivers/net_kern.c -+++ b/arch/um/drivers/net_kern.c -@@ -25,6 +25,13 @@ - #include <net_kern.h> - #include <net_user.h> - -+#include <crypto/sha.h> -+#include <linux/string.h> -+#include <linux/crypto.h> -+#include <linux/err.h> -+#include <linux/scatterlist.h> -+#include "os.h" -+ - #define DRIVER_NAME "uml-netdev" - - static DEFINE_SPINLOCK(opened_lock); -@@ -295,11 +302,47 @@ static void uml_net_user_timer_expire(un - #endif - } - -+#ifndef CONFIG_UML_NET_RANDOM_MAC -+ -+/* Compute a SHA1 hash of the UML instance's id and -+ * * an interface name. */ -+static int compute_hash(const char *umid, const char *ifname, char *hash) { -+ char vmif[1024]; -+ struct scatterlist sg; -+ struct crypto_hash *tfm; -+ struct hash_desc desc; -+ -+ strcpy (vmif, umid); -+ strcat (vmif, ifname); -+ -+ tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) -+ return 1; -+ -+ desc.tfm = tfm; -+ desc.flags = 0; -+ -+ sg_init_table(&sg, 1); -+ sg_set_buf(&sg, vmif, strlen(vmif)); -+ -+ if (crypto_hash_digest(&desc, &sg, strlen(vmif), hash)) { -+ crypto_free_hash(tfm); -+ return 1; -+ } -+ -+ crypto_free_hash(tfm); -+ -+ return 0; -+} -+ -+#endif -+ - static void setup_etheraddr(struct net_device *dev, char *str) - { - unsigned char *addr = dev->dev_addr; - char *end; - int i; -+ u8 hash[SHA1_DIGEST_SIZE]; - - if (str == NULL) - goto random; -@@ -340,9 +383,26 @@ static void setup_etheraddr(struct net_d - return; - - random: -+#ifdef CONFIG_UML_NET_RANDOM_MAC - printk(KERN_INFO - "Choosing a random ethernet address for device %s\n", dev->name); - eth_hw_addr_random(dev); -+#else -+ printk(KERN_INFO -+ "Computing a digest to use as ethernet address for device %s\n", dev->name); -+ if (compute_hash(get_umid(), dev->name, hash)) { -+ printk(KERN_WARNING -+ "Could not compute digest to use as ethernet address for device %s. " -+ "Using random address instead.\n", dev->name); -+ random_ether_addr(addr); -+ } -+ else { -+ for (i=0; i < 6; i++) -+ addr[i] = (hash[i] + hash[i+6]) % 0x100; -+ } -+ addr [0] &= 0xfe; /* clear multicast bit */ -+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ -+#endif - } - - static DEFINE_SPINLOCK(devices_lock); |